PDF malware analysis — malicious · d69c33df33183857

MALICIOUS

PDF

14.4 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)

MD5: 1ceefe64dbc2f00eb30af2aaf171fbbb SHA-1: e2203768d71a801fee3f013bcb9b523364f73b4e SHA-256: d69c33df331838572101809266d70bb9a035f6afe580e4bef6ebe57faa8984f2

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, which is a common technique for delivering malicious payloads. ClamAV detections of 'Win.Trojan.Agent-36166' strongly suggest malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, although its exact functionality is obscured.

Heuristics 4

ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36166
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `60a6900a3689c2eea0c8bdc00ebcce573425d92dc5926a2d56fbaa8d7eb3870c`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74895 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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